//
// Created by ✎﹏ℳ๓独赏 ☆独醉 on 2023/2/25.
//
#include <stdio.h>

int main(){
    char ch01[10]= "Hello world";
    printf("ch01:%s\n",ch01);
    char ch02[11]= "Hello world";
    printf("ch02:%s\n",ch02);
    char ch03[12]= "Hello world";
    printf("ch03:%s\n\n\n",ch03);
    return 0;
}